.box{
    width: 100vw;
    height: 100vh;
    background: #ccc
}
.box1{
    width: 100%;
    height: 80%;
}
.box2{
    width: 100%;
    height: 6%;
    margin-bottom: 40px;
}
.box3{
    width: 100%;
    height: 30%;
    margin-bottom: 80px;
}
.box4{
    width: 100%;
    height: 20%;
    margin-bottom: 20px;
}
.box5{
    width: 100%;
    height: 8%;
}
.box5 button{
    width: 50%;
    height: 100%;
    margin-left: 85px;
    color: #fff;
    border: 1px solid #ccc;
    border-radius: 10px;
    background: #00f
}